Generate the proto JSON converter for DOM distiller

third_party/dom_distiller_js/protoc_plugins/util/plugin.py

Index: third_party/dom_distiller_js/protoc_plugins/util/plugin.py
diff --git a/third_party/dom_distiller_js/protoc_plugins/util/plugin.py b/third_party/dom_distiller_js/protoc_plugins/util/plugin.py
new file mode 100644
index 0000000000000000000000000000000000000000..7c3721ad9a25e477804442937da7bcc51a9ac5bf
--- /dev/null
+++ b/third_party/dom_distiller_js/protoc_plugins/util/plugin.py
@@ -0,0 +1,50 @@
+# Copyright 2016 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+import sys
+
+import plugin_protos
+import types
+
+
+def Debug(data):
+  sys.stderr.write(str(data))
+  sys.stderr.write('\n')
+  sys.stderr.flush()
+
+
+def TitleCase(s):
+  return ''.join(p[0].upper() + p[1:] for p in s.split('_'))
+
+
+def Indented(s, indent=2):
+  return '\n'.join((' ' * indent) + p for p in s.rstrip('\n').split('\n'))
+
+
+proto_path_to_file_map = {}
+
+
+def RegisterProtoFile(proto_file):
+  proto_path_to_file_map[proto_file.Filename()] = proto_file
+  types.RegisterTypesForFile(proto_file)
+
+
+def GetProtoFileForFilename(filename):
+  proto_file = proto_path_to_file_map[filename]
+  assert proto_file
+  return proto_file
+
+
+def SetBinaryStdio():
+  import platform
+  if platform.system() == 'Windows':
+    import os, sys, msvcrt
+    msvcrt.setmode(sys.stdin.fileno(), os.O_BINARY)
+    msvcrt.setmode(sys.stdout.fileno(), os.O_BINARY)
+
+
+def ReadRequestFromStdin():
+  SetBinaryStdio()
+  data = sys.stdin.read()
+  return plugin_protos.PluginRequestFromString(data)